455049749 has 8 divisors (see below), whose sum is σ = 567334848. Its totient is φ = 354584160.

The previous prime is 455049739. The next prime is 455049767. The reversal of 455049749 is 947940554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 455049749 - 2¹² = 455045653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455049739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2954792 + ... + 2954945.

It is an arithmetic number, because the mean of its divisors is an integer number (70916856).

Almost surely, 2^455049749 is an apocalyptic number.

It is an amenable number.

455049749 is a deficient number, since it is larger than the sum of its proper divisors (112285099).

455049749 is a wasteful number, since it uses less digits than its factorization.

455049749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5909755.

The product of its (nonzero) digits is 907200, while the sum is 47.

The square root of 455049749 is about 21331.8951103740. The cubic root of 455049749 is about 769.1651991681.

The spelling of 455049749 in words is "four hundred fifty-five million, forty-nine thousand, seven hundred forty-nine".